Issued Patents All Time
Showing 76–94 of 94 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4915370 | Paper feeding device | Tooru Himeji, Kiyotaka Arai | 1990-04-10 |
| 4861017 | Paper-feeding device | Kiyonori Yamamoto, Osamu Sota, Masahiko Sakae, Yoshinori Makiura, Toshiyuki Mitsuya | 1989-08-29 |
| 4607943 | Control circuit for an electrostatic copying apparatus | Masahiro Yoshioka, Yoichiro Irie, Tsugio Nakanishi, Eiji Tsutsui, Noriyuki Iwao +2 more | 1986-08-26 |
| 4571062 | Electrostatic copying process and apparatus | Masahiro Yoshioka, Yoichiro Irie, Tsugio Nakanishi, Eiji Tsutsui, Noriyuki Iwao +2 more | 1986-02-18 |
| 4568170 | Supporting frame for a variable ratio electrostatic copying apparatus | Masahiro Yoshioka, Yoichiro Irie, Tsugio Nakanishi, Eiji Tsutsui, Noriyuki Iwao +2 more | 1986-02-04 |
| 4563074 | Engagement mechanism for a developing means in electrostatic copying machine | Eiji Tsutsui, Masahiro Yoshioka | 1986-01-07 |
| 4551013 | Electrostatic copying process | Masahiro Yoshioka, Yoichiro Irie, Tsugio Nakanishi, Eiji Tsutsui, Noriyuki Iwao +2 more | 1985-11-05 |
| 4516849 | Cleaning device for an electrostatic photographic copying machine | Eiji Tsutsui, Masahiro Yoshioka, Noriyuki Iwao | 1985-05-14 |
| 4469428 | Corona discharging apparatus used in an electrostatic photographic copying machine | Masahiro Yoshioka, Eiji Tsutsui, Noriyuki Iwao | 1984-09-04 |
| 4463179 | 1H-1,2,3-triazol-5-ylthio ester of N-carbobenzyloxy-p-hydroxyphenylglycine | Masateru Kobayashi, Kimiyo Yamamoto, Chisei Shibuya | 1984-07-31 |
| 4456754 | Process for the preparation of cephalosporin derivatives using thioesters | Masateru Kobayashi, Kimiyo Yamamoto, Chisei Shibuya | 1984-06-26 |
| 4454323 | 1-Methyltetrazol-5-ylthio ester of cyanomethylthioacetic acid | Masateru Kobayashi, Kimiyo Yamamoto, Chisei Shibuya | 1984-06-12 |
| 4417047 | Novel tetrazole-5-thiol ester and process for preparing cefamandole using same | Chisei Shibuya, Masateru Kobayashi, Takanori Sone | 1983-11-22 |
| 4400610 | Automatic fillet weld tracing mechanism | Kazuo Aotsuka | 1983-08-23 |
| 4351947 | Tetrazole derivative | Chisei Shibuya, Masateru Kobayashi, Takanori Sone | 1982-09-28 |
| 4347421 | Automatic pipe circumference welding apparatus | Mutsuo Mukuda, Kazuo Aotsuka | 1982-08-31 |
| 4327211 | Method for preparation of cephalosporin compounds | Masateru Kobayashi, Takanori Sone, Chisei Shibuya | 1982-04-27 |
| 4197003 | Switch device in electrostatic photographic copying machine | Tetsuya Okada, Tadashi Umeda, Tatsuo Aizawa | 1980-04-08 |
| 4181424 | Method of and means for synchronously transferring original and copying paper for electrostatic photoduplication | Tetuya Okada, Tadashi Umeda, Tatsuo Aizawa | 1980-01-01 |